# A tibble: 6 × 11
     yr grp   grpact  Crew  MonitoringAgency Site  Depth Savspecies var   aveval
  <int> <chr> <chr>   <chr> <chr>            <chr> <int> <chr>      <chr>  <dbl>
1  2020 A     2020: … K. H… MCNRD            1       -50 Halodule   Abun…    3  
2  2020 A     2020: … K. H… MCNRD            1       -50 Halodule   Blad…    0  
3  2020 A     2020: … K. H… MCNRD            1       -50 Halodule   Shor…    0  
4  2020 A     2020: … K. H… MCNRD            3       -60 Halodule   Abun…    5  
5  2020 A     2020: … K. H… MCNRD            3       -60 Halodule   Blad…   22  
6  2020 A     2020: … K. H… MCNRD            3       -60 Halodule   Shor…   27.3
# ℹ 1 more variable: sdval <dbl>
[1] "Halodule"  "Thalassia"
[1] "Halodule"  "Thalassia"
character(0)
[1] "Syringodium" "Thalassia"  
[1] "Halodule"  "Thalassia"
[1] "Halodule"  "Thalassia"